﻿322 
  PROCEEDINGS 
  OF 
  THE 
  NATIONAL 
  MUSEUM 
  vol. 
  103 
  

  

  America: 
  Wrangel, 
  Alaska, 
  Jones; 
  Puget 
  Sound, 
  low 
  tide, 
  Pettibone. 
  

   West 
  Greenland: 
  Vaigat, 
  Disko 
  Island, 
  Bartlett, 
  1937. 
  East 
  

   Coast 
  North 
  America:] 
  Bay 
  of 
  Fundy, 
  Maine, 
  Massachusetts, 
  

   14-llO^fms., 
  U. 
  S. 
  Fish 
  Commission. 
  

  

  Distribution. 
  — 
  Widely 
  distributed 
  in 
  the 
  Arctic 
  : 
  Siberian, 
  Alaskan, 
  

   and 
  Canadian 
  Arctic, 
  Greenland, 
  Spitzbergen, 
  Franz 
  Josef 
  Land, 
  

   White 
  Sea, 
  Novaya 
  Zemlya, 
  Kara 
  Sea. 
  Also 
  Iceland, 
  Faroes, 
  Nor- 
  

   way 
  to 
  British 
  Isles, 
  Azores, 
  Mediterranean, 
  Adriatic; 
  Bay 
  of 
  Fundy 
  

   to 
  Massachusetts; 
  Bering 
  Sea 
  to 
  southern 
  California; 
  Japan. 
  In 
  low 
  

   water 
  to 
  1,528 
  fathoms. 
  

  

  Amphitrite 
  groenlandica 
  Malmgren, 
  1865 
  

  

  Amphitrite 
  groenlandica 
  Malmgren, 
  1865, 
  p. 
  376, 
  pi. 
  21, 
  fig. 
  52. 
  — 
  Verrill, 
  1881, 
  

   pp. 
  305, 
  310.— 
  Hessle, 
  1917, 
  p. 
  181.— 
  Fauvel, 
  1927, 
  p. 
  250, 
  fig. 
  86, 
  a-c— 
  

   Augener, 
  1928, 
  p. 
  787.— 
  Amaenkova, 
  1937, 
  p. 
  192; 
  1938, 
  p. 
  206.— 
  Gorbunov, 
  

   1946, 
  p. 
  39.— 
  Zatsepin, 
  1948, 
  p. 
  157, 
  pi. 
  38, 
  fig. 
  14.— 
  Wesenberg-Lund, 
  

   1950a, 
  p. 
  51; 
  1950b, 
  p. 
  117; 
  1951, 
  p. 
  107. 
  

  

  Neoamphitrite 
  robusta 
  Hartman, 
  1948, 
  p. 
  44 
  (not 
  Amphitrite 
  robusta 
  J 
  ohnaon, 
  

   1901). 
  

  

  Description. 
  — 
  ^Length 
  up 
  to 
  190 
  mm., 
  width 
  9 
  mm. 
  (a 
  single, 
  much 
  

   smaller 
  specimen 
  from 
  Point 
  Barrow). 
  About 
  14 
  ventral 
  shields. 
  

   Branchiae 
  3 
  pairs, 
  branched 
  dichotomously 
  3-4 
  times, 
  with 
  main 
  

   trunk 
  short, 
  thick. 
  Lateral 
  lobes 
  of 
  first 
  two 
  branchial 
  segments 
  well 
  

   developed, 
  continuing 
  ventrally; 
  small 
  lateral 
  lobes 
  on 
  third 
  branchial 
  

   segment. 
  Nephridial 
  papillae 
  12 
  pairs 
  on 
  segments 
  3-14, 
  the 
  first 
  

   four 
  with 
  more 
  prominent 
  papUlae. 
  Thoracic 
  setigers 
  19. 
  Colorless 
  

   in 
  alcohol. 
  Tube 
  of 
  mud. 
  

  

  Remarks. 
  — 
  A. 
  robusta 
  Johnson 
  is 
  very 
  close 
  to 
  A. 
  groenlandica; 
  

   it 
  differs 
  in 
  having 
  17 
  thoracic 
  setigers 
  instead 
  of 
  19. 
  

  

  New 
  records. 
  — 
  Arctic 
  Alaska: 
  Off 
  Point 
  Barrow 
  base, 
  5 
  miles 
  from 
  

   shore, 
  49 
  fms., 
  on 
  bottom 
  of 
  rocks, 
  stones, 
  gravel 
  (1 
  station, 
  1 
  speci- 
  

   men). 
  Southwestern 
  Alaska: 
  Round 
  Island, 
  Coal 
  Harbor, 
  Unga 
  

   Island, 
  8-9 
  fms., 
  Dall, 
  1872. 
  

  

  Distribution. 
  — 
  Scattered 
  records 
  in 
  the 
  Arctic: 
  Siberian 
  and 
  Alaskan 
  

   Arctic, 
  West 
  Greenland, 
  Spitsbergen, 
  Novaya 
  Zemlya. 
  Also 
  Iceland, 
  

   Scandinavian 
  coast 
  to 
  North 
  Sea, 
  Ireland; 
  Maine; 
  southwestern 
  

   Alaska; 
  Okhotsk 
  Sea 
  to 
  north 
  Japan 
  Sea. 
  In 
  7 
  to 
  440 
  fathoms. 
  

  

  Genus 
  Nicolea 
  Malmgren, 
  1865 
  

   Nicolea 
  venustula 
  (Montagu, 
  1818) 
  

  

  Figure 
  36, 
  i, 
  j 
  

  

  Terebella 
  venustula 
  Montagu, 
  1818, 
  p. 
  344, 
  pi. 
  13, 
  fig. 
  2. 
  

  

  Nicolea 
  arctica 
  Malmgren, 
  1865, 
  p. 
  381, 
  pi. 
  24, 
  figs. 
  66, 
  67. 
  

  

  Nicolea 
  zostericola 
  Malmgren, 
  1865, 
  p. 
  381, 
  pi. 
  26, 
  fig. 
  76. 
  — 
  Webster 
  and 
  Benedict, 
  

   1887, 
  p. 
  749.— 
  Moore, 
  1909b, 
  p. 
  141.— 
  Fauvel, 
  1927, 
  p. 
  261, 
  fig. 
  90, 
  g-n.— 
  

   Annenkova, 
  1934, 
  p. 
  322; 
  1937, 
  p. 
  191; 
  1938, 
  p. 
  205.— 
  Gustafson, 
  1936, 
  p. 
  

  

  